Die for making and securing sheet-metal hinges



Mar. 6, 1923.

E. B. BICKER.

DIE FOR MAKING AND SECURING SHEET METAL HINGES.

man Ae.4. 1919. 2 SHEETSAHEET x.

W2 f/ if Mar. 6, 1928.

LB. BxcKfn. DIE FOR MAKING AND SECURING SHEET vMETAL HINGES.

mtu No.4. |919. zlsHEE'Ts-snzn 2.

" To @ZZ/whom timmy cance'rbi: f

Patented Mar. 51, 192,3. 4 i

PIE.FORMAHNQAMSECRN@ S'HEET-METeLHlNGES- ,Appiicationislea august 4,1

Ucitizen ofthe United States,'.residingatithe l'city voffSt."Louis. and 'State of' Missouri;V

have invented knew anduseful-Dies for'Makf ing and" Securing i' SheeuMetal f Hinges, 'ofy which theffollowingis a specificationv -div-idfual 'operation' 13o-'form *the* finished art-i4 thereonv to perform atweach strokeeachuin- #cley to cut;oif-the?ftinished" article' and 1to secure'the finished article vto anfelement `for My improvementsconsist in thenovel construction', Y' arrangement and' combination of,.- vpart-s 'as will' bel vfully,` 'clearlyy 1 and' concisely 1 .f

Y 'set-forth', definitely pointed vout inmy claims i Fig. 31 is an" elevation, pa1'tly'in;`section,oii ga male die vembodying my invention; i

' affragmentot the: anvil. f

Cil

ing in lwhich' and illustrated by the `accompanying-draw-4 Fig. is an yenlargedfragmental sectional@ elevation showingy 4the ft'vvo diesl as'v at Work. v g Fig. 5k shows a group: of pieces fas acted upon by the dies;

Fig. 6 is a perspective-,showing the .finished Product lofthe dies; y 1 .v C Y' y Figfis a vfarti'saljsectionaly elevationfofaniordinary tobaccofcan having anordinary cover and a hinge plate as shown in'Fig.. 6 as secured to the can and as taken through a pintle element.

Fig.A 8 is a view similar to Fig. 7 taken through theteeth which connect the hinge plate to the can body. y

Fig. 9 s a transverse sectional elevationl through'the can showing the hinge plate as secured. v

Referring to the drawing by numerals, T designates the die plate having a foot iange S for securement to a bolster, not shown, and which die plate is arranged to receive .there-' on thereduced end 9 of anjanvil and .Work support 10, and a female die overlappingA the end 9 of the anvil. v The anvilis secured `to plate andtheifemale die.

fisgsee-uredby a; screvv12; i l As the Work progresses from asyillustrated, Iwill describe-thetools of the lfemale die in.that.order. A f The article Vformed is a sheet. metal hinge plate, such4 as shown ig. -idesigned for -useon acommon tobacco canand-.Which con- Vsiste; offra single `piece oisheet; metal Whose length is substantially equal to thevv-idth fof.

determined by the distanceY ofl an operation In detail the .hinge plate consists ofjarec jtangular oblong `body havng the dimensions gust recited Ainv WhichLtherev is .formed .in its'.

upper margin` a plurality of cutfouts Which vare spannedby pintles=wlioseiends, or at yleast portions thereof are 1integral continuations of the marginsjotthe `cutjouts and `vv h ich pintlesjare sectionally arcuated-to'fornifcyl-.- f l i inderjs over which the hinge'rmembers, of the .cover are seeured to rotate-thereon.--j. i

numberof'teeth struck to project and which r arejemployed to` serve asameans 'to' securel the plategto the, can.- l i @IntheLoperating face' .arranged `in a row transversely of the trend 1 of. rtravel Aof they pieceof. material operated: upon,` there isformed a'number ofcavities* 13 .vvhose'number `is equalto the number of pintles ,desired in' a `hinge plate ,whosecon- .l tour ils/substantially squarfe'and Whose depth determines the sectionaldimensions of the` pintles. The margins deningnthe cavities are knife'edged to slit the material to form both, transverse and-longitudinal slits, (relative to the trend ofl the Work) the longitudie nal slits being'in relatively spacedl pairs and the transverse vslits being continuous` for they vWidths of the cavities.

cient to permittlie formingotintegraljpinf j f `ties anducut, outs for'theyaccommodation of .theears of a cancoverias 'is eomn1on. l i The Strip -Ofmsta'l determines :the length ,of the;.arti0lef0r..hnge plateand itswdthfs; a

lVithin the body yo'fthe plate therefis a f In the bottom 'of each cavity extending y transversely thereof is a rib 14 which rises tothe plane of the operating Jface minus the thickness or gage` of they material andover .z

Which the metal is bent to vform `flanges 15 WhichA form'the pintles.

Spaced from theroW yof cavities is a` row of cavitieslfarranged identically like Wardly bent flanges to form them into cylinders.

Spaced from the rovv of kcavities -16 is a roW of holes 17, Which,rasshovvn in Figs. 2

and 4 extend through the body of the die and through the die ..pla'te and Whose 'edges are knifed so as to cut the metal to form a out out l'18l in thematerial from .the iformed pintles to the margin ofk the section oper-fl v dents 3.1,.is-planetto serve l'With'ft'he anvil 10 ated upon.

11i-transverse rows adjacent the cavities v17 there is a double rovv of knife-edgedholes 19, Which extend through the die and die vplate which act to form the teeth 20.

Theterminal margin' 21 of the die isl knife- 'ed-ged and acts to -cut off ,a 'hinge 'plate from the strip.

The anvillOismetallic, and servesto support the can -so thatvvhen a can yis placed thereover the can Will'be in a lovver plane than the operating face of the die so that as each complete hinge plate is formed it will be yplaced properly for securement lto the Arranged for operation over the fem-ale vdie is avpunchhead 22fhaving a shank 23 for connection with avpress, not shovvmandto 'metal'WhichWholly-'free the ends of the pintles hutonlv'partially free-the sides thereof fromr the sheet of material.

Follovvingzthe tools 26 arethe tools27 in identical-arrangement with the cavities 16 and which have concavities invertedrelative 4to the concavities inl the female dievandrwhen *broughtrto the material acts to vform the.V

rvflanges cut 'bythe tools 2G into cylinders,

which step-'is'knovvn as Wirin0.'

Following the tools 27'arebthe1t0ols28 Whose `arrangement is identical With the vholes l17 in the female dieand-vvhich 'c'oacty therewith to punchout .the material next the pintles to lpermitthe hirigegears of the cover to loe broughtto the pintles. In this same steppa-nd in arrangement to register WithlthehO-les "19 V'are the tools 29 Which form `the Vrshaped teeth A,20.

lCarried the punchhead, is a tool 30 yvvhosetone'loweredge is knifed to coact With the edge 21 of the female die to cut off the inished plate and the Whole lower wface 'of the'tool 30,:except for the .clea'rance '1northe settingadovvn ofthe teeth -20 which `binds 1 the ,plate to @the can.

In Fig. 1, l shovvithe varlousfsteps inthe order of :their 4:progression through the dies,

:wherein r'it Will be observed that `when the head y ist operated Athe ltoolsgf26fand cavities 13 ,slit the fmaterial, at vthe same time .the

too-ls27 eandicavifties v16 fwire the .anges ,formed .inithe s litting-:step, at .the same time the teeth r2@ areV formed, ,atrthe `same 'time :the nlsh'edjplateiis cutoffand at the same .timeather-nijshedplate issecured to avcan.

The a operation a consists coifmerelyL slipping -fa can over .the anvil 'andbringiug the lhead adovvn,sozthat upon each head oper-ation a complete hinge plate is formed considering stheprevious :steps: andfseeured to a can.

avingl thus( described i my invention What lelaim as fnevvftherern andy 4de'sivrefto secure bv Letter-'s :Patent of the UnitedStates,

-tlierefor,iis.-

having die cavities,\,y anviha -seeondndiefhaving tolstcoacting with said cavitiesito xterm :agplate iba/ving gpi-ntles and j projectingteeth, andra; setting'. down tool co- 1. A. die

acting With :said ,anvil ptojuaet vJon :said f teeth tto secure themato an :elementLt'ofbe hinged.

y2. In combinationmithea femaleidieihavv ting 'successive :diei cavities therein: ande a-:cutyting edge, andiantanvil, afpunchlheadlandfa v`male.dieshaving;sucffnessiae@cols in like' arrangement With said dieloa-vitiesVaknife andi a setting: down ftoclpwherehy uponA each actuation of the punch headian `:article may be formed, cut= @Hfandfsecuredttma second.

' iB. QBIGKER. 

